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Communication: FOURTH PERIOD

A randomized 25 question test from a pool of 761 questions, good luck!
Each network layer for a DCS has it's own specialized equipment or software. Which of the layers below would make the I/O of a DCS and it's associated controllers communicate?
There are several different network access methods available to wireless Ethernet. Which of the methods below is the one used by wireless Ethernet?
SCADA control systems are similar to other control system, but the components for a SCADA system vary slightly. Which of the components below would be designed to reduce transmission of the records of alarms and/or events?
Of the answers below, which one is not an advantage of fiber optic cables?
The quality of a OUT parameter status field has several different classifications. Which of the classifications below can be described as the block does not support a cascade path and the value quality is good?
Communication technology is generally specific to a type of area network. Which of the area networks below would IDSN and VPN be used primarily?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that converts 8 or 16 inputs to a digital signal?
There are several different ways to let an operator know about an alarm in any HMI. Which of the answers below would best be described as a vibrations given off by a device?
To communicate with a process control system, a network interface adapter is required. Which of the answers below would satisfy the minimum number of network adapters required?
The limits of a OUT parameter status field has several different classifications. Which of the classifications below can be described as the indication of a parameters value being set by an operator?
Which of the answers below best represents the recommended standard that uses an end device circuit to provide the encoding of characters?
SCADA control systems are similar to other control system, but the components for a SCADA system vary slightly. Which of the components below would be required to have a low bandwidth and high error detection protocol?
Alarm management is based upon the process conditions model. Which of the conditions in that model could be described as the acceptable operating conditions?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to request the content of the slaves holding registers # 40108?
The OSI model describes how a network should be arranged. Which of the layers below concern network topologies the most?
When manually assigning addresses in IPv4, which of the answers below contains the complete list of the main parameter(s) needed?
In a motor control function block program, conditional block are used. Which of the answers below is best described as a condition that must be TRUE before a device can be activated?
Digital signals are, either specific or transitory, voltage levels represent states of logic. Which of the signal encoding methods below uses the conversion of dc voltage levels to ac to represent logic states?
A DCS collects a lot of data during the course of operating. Which of the terms below would best describe the database that contains the value of all the parameters and tags, as well as all the programming and the DCS configuration?
Which of the recommended standards would be best described as having a half -duplex transmission system?
Alarm management is based upon the process conditions model. Which of the conditions in that model could be described as conditions resulting in poor product and increased energy waste?
There are many options to choose from for alarm states. Which of the following alarm states can be best described as when the alarm clears due to the process before the operator has time to respond to it?
Communication that is wireless in a SCADA system is common. Which of the communication methods below would be best defined as one that licensing would be required for most applications?
Redundant capability is critical for any DCS. Which of the redundancies below would allow the system not to be hampered by faults in critical systems and controllers?
Data communication in a DCS takes the form of various net works. Which of the networks below connects to servers that share business data?